• In stereochemistry, an epimer is one of a pair of diastereomers. The two epimers have opposite configuration at only one stereogenic center out of at...
    5 KB (418 words) - 21:38, 25 November 2023
  • Thumbnail for Ergine
    woodrose and morning glories have been linked to ergine and/or isoergine, its epimer, as it is an alkaloid present in the seeds. Ergine has been found in high...
    23 KB (2,202 words) - 19:12, 7 April 2024
  • Thumbnail for Psicose
    (C6H12O6), also known as D-allulose, or simply allulose, is a low-calorie epimer of the monosaccharide sugar fructose, used by some major commercial food...
    20 KB (2,012 words) - 18:55, 15 March 2024
  • Thumbnail for Guluronic acid
    may be derived from gulose. l-Guluronic acid is a C-3 epimer of l-galacturonic acid and a C-5 epimer of d-mannuronic acid. Along with d-mannuronic acid,...
    3 KB (210 words) - 05:16, 5 November 2023
  • Thumbnail for Talose
    mythology named Talos, but the relevance is unclear. Talose is a C-2 epimer of galactose and a C-4 epimer of mannose. D-(+)-Talose at Sigma-Aldrich v t e...
    2 KB (63 words) - 07:54, 31 October 2023
  • Thumbnail for Gulose
    nor l-forms are fermentable by yeast. D-Gulose is a C-3 epimer of D-galactose and a C-5 epimer of L-mannose. Merck Index, 11th Edition, 4490 Swain, M....
    3 KB (173 words) - 18:39, 23 March 2024
  • Thumbnail for Polysaccharide
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    34 KB (3,822 words) - 05:07, 27 March 2024
  • Thumbnail for Menthol
    (peppermint). Japanese menthol also contains a small percentage of the 1-epimer neomenthol.[citation needed] The biosynthesis of menthol has been investigated...
    31 KB (2,865 words) - 10:30, 5 April 2024
  • Thumbnail for Mannose
    a sugar monomer of the aldohexose series of carbohydrates. It is a C-2 epimer of glucose. Mannose is important in human metabolism, especially in the...
    16 KB (1,596 words) - 17:53, 28 November 2023
  • Thumbnail for Amygdalin
    center isomerizes; the (S)-epimer is called neoamygdalin. Although the synthesized version of amygdalin is the (R)-epimer, the stereogenic center attached...
    33 KB (3,274 words) - 21:49, 14 February 2024
  • Thumbnail for Xanthan gum
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    15 KB (1,700 words) - 15:41, 24 April 2024
  • Thumbnail for Β-Zearalenol
    lactone group related to mycoestrogens found in Fusarium spp. It is the β epimer of α-zearalenol and along with α-zearalenol is a major metabolite of zearalenone...
    3 KB (193 words) - 21:20, 15 September 2023
  • Thumbnail for Progestogen
    potency as progesterone (34). In regard to the biological activity of the 3α epimer no data are available. Pincus G, Miyake T, Merrill AP, Longo P (November...
    16 KB (1,566 words) - 09:04, 13 December 2023
  • Thumbnail for Α-Zearalenol
    lactone group related to mycoestrogens found in Fusarium spp. It is the α-epimer of β-zearalenol. Along with β-zearalenol, it is a major metabolite of zearalenone...
    3 KB (158 words) - 08:57, 13 December 2023
  • Thumbnail for Sugar
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    104 KB (10,530 words) - 01:46, 25 April 2024
  • Thumbnail for Allose
    soluble in water and practically insoluble in methanol. Allose is a C-3 epimer of glucose. The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals...
    2 KB (94 words) - 04:34, 26 October 2023
  • Thumbnail for Androstenedione
    and epitestosterone. In sheep, the molecule is transformed into the 17-epimer. Androstenedione is converted into different metabolites in invertebrates...
    19 KB (1,899 words) - 15:35, 24 January 2024
  • Thumbnail for Neomycin
    (NBRC 12773). Neomycin is a mixture of neomycin B (framycetin); and its epimer neomycin C, the latter component accounting for some 5–15% of the mixture...
    21 KB (2,089 words) - 23:30, 13 November 2023
  • is planar and thus achiral. More formally stated, then, an anomer is an epimer at the hemiacetal/hemiketal carbon atom in a cyclic saccharide. Anomerization...
    8 KB (883 words) - 12:19, 25 April 2024
  • stereoisomers where n > 2 is the number of carbons. These are also referred to as epimers which have the different arrangement of −OH and −H groups at the asymmetric...
    15 KB (2,059 words) - 14:53, 11 March 2024
  • Thumbnail for Androsterone
    the natural form. Androsterone's 3β-isomer is epiandrosterone, and its 5β-epimer is etiocholanolone. The 3β,5β-isomer is epietiocholanolone. Androsterone...
    14 KB (1,232 words) - 02:50, 8 March 2024
  • Thumbnail for Galactose
    glucose, and about 65% as sweet as sucrose. It is an aldohexose and a C-4 epimer of glucose. A galactose molecule linked with a glucose molecule forms a...
    24 KB (2,408 words) - 03:11, 21 April 2024
  • Thumbnail for Enantiomer
    Chirotechnology Chirality (physics) Diastereomer Dynamic stereochemistry Epimer Homochirality Molecular symmetry Stereochemistry Stereocenter "Enantiomer:...
    23 KB (2,578 words) - 22:04, 26 April 2024
  • Thumbnail for Alginic acid
    or alternating M and G-residues (MG-blocks). α-L-guluronate is the C-5 epimer of β-D-mannuronate. Alginates are refined from brown seaweeds. Throughout...
    15 KB (1,508 words) - 15:28, 26 March 2024
  • Thumbnail for Stereoisomerism
    the configurations of some or all of the stereocenters in a compound. An epimer is a diastereoisomer that has the opposite configuration at only one of...
    16 KB (1,653 words) - 02:30, 8 January 2024
  • Thumbnail for Carbohydrate
    there is one pair of possible stereoisomers, which are enantiomers and epimers. 1, 3-dihydroxyacetone, the ketose corresponding to the aldose glyceraldehydes...
    55 KB (5,639 words) - 19:33, 7 April 2024
  • Kiliani–Fischer synthesis is a mixture of two diastereomeric sugars, called epimers. For example, D-arabinose is converted to a mixture of D-glucose and D-mannose...
    7 KB (772 words) - 11:14, 24 June 2023
  • of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    3 KB (427 words) - 14:57, 17 April 2024
  • Thumbnail for Chlorogenic acid
    4-CQA) and 5-O-caffeoylquinic acid (neochlorogenic acid or 5-CQA). The epimer at position 1 has not yet been reported. Structures having more than one...
    14 KB (1,254 words) - 21:56, 28 February 2024
  • Thumbnail for Glucose
    fructose (via the polyol pathway), mannose (the epimer of glucose at position 2), galactose (the epimer at position 4), fucose, various uronic acids and...
    123 KB (12,967 words) - 04:51, 21 April 2024